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27817 (1993 TO17)
Classification: Main-belt Asteroid          SPK-ID: 2027817
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07356151559323354 3.1041e-08  
a 2.610742903614192 1.2692e-08 au
q 2.418692698800053 8.1499e-08 au
i 3.495688148489628 4.38e-06 deg
node 30.84827637575806 6.8324e-05 deg
peri 34.23353992335687 8.0171e-05 deg
M 72.49409248456284 4.0349e-05 deg
tp 2458690.226486991312
(2019-Jul-25.72648699)
0.00017252 TDB
period 1540.794026863819
4.22
1.1235e-05
3.076e-08
d
yr
n .2336457655750102 1.7037e-09 deg/d
Q 2.802793108428332 1.3625e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1013  
   data-arc span      9721 days (26.61 yr)  
   first obs. used      1993-10-09  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54644  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:21:02  

Additional Information
 Earth MOID = 1.43286 au 
 Jupiter MOID = 2.40199 au 
 T_jup = 3.403 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3   n/a MPO406139  

27817 (1993 TO17)          Discovered 1993-Oct-09 by Elst, E. W. at La Silla
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1985-Feb-16 09:13 00:02 Psych 0.0412288142975211 0.0412247451395454 0.0412328838159992 2.09709576963869 2.0970956297012 2446112.883990753 2.00637756289349 283.322520184294 52.694603328362 -45.4652357012407 84542.6701468179 T 26 CATAB v2.0f-lin.ifort 2020-Nov-13 01:21:05 2020-Nov-13 01:21

Alternate Designations
 1993 TO17 = 1998 YZ1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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